Home / 134,620.40-201,928.80-41,126.60

Finding the Fourth Proportional to 134,620.40, 201,928.80 and 41,126.60

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Solution

The fourth proportional to 134,620.40, 201,928.80 and 41,126.60 is: 61,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,620.40 : 201,928.80 = 41,126.60 : x
  2. Step 2: Convert to fraction form
    134,620.40/201,928.80 = 41,126.60/x
  3. Step 3: Cross multiply
    134,620.40x = 201,928.80 × 41,126.60
  4. Step 4: Simplify right side
    134,620.40x = 8,304,644,986.08
  5. Step 5: Solve for x
    x = 8,304,644,986.08/134,620.40
  6. Step 6: Final answer
    x = 61,689.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.